#ifndef __COLOR_H__
#define __COLOR_H__
struct RGBA
{
public:
    RGBA() : r(1.0f), g(1.0f), b(1.0f), a(1.0f) {}
    RGBA(float red, float green, float blue, float alpha) : r(red), g(green), b(blue), a(alpha) {}
    float r, g, b, a;
};
#endif